<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<button type="button" onclick="reload2()">刷新</button>
		<button type="button" onclick="back1()">后退</button>
	</body>
	<script type="text/javascript">
		function reload2(){
			location.reload()
		}
		function back1(){
			history.go(-1)
		}
	</script>
</html>
